Sentence examples for be a clue from inspiring English sources

"It may be a clue," Nancy cries.

That might be a clue.

This may be a clue.

That should be a clue.

"I figured that number might be a clue," he recalled.

Other neurologic symptoms or signs might be a clue.

A family history of bipolar disorder might be a clue.

That copy of "Rocket" might be a clue.

Her voice could be a clue there, too.

There might be a clue in his past.

This must be a clue, but I am clueless.